Grab some crates at your local store and get to work on some of these wooden crate ideas. You'll find a fantastic DIY idea you're sure to love!
We love organization that doubles as display. Cut wooden crates in half and attach to the wall to display childrens books (and keep them off the floor!)
DIY bench made from wooden crates from Michaels. Cheap and Colorful.--- whoa exactly what I had in mind!! :) love this thing! I will paint it brown I think and get a cusion to go on top- perfect with some cheap shelving above it!
make a Lego marble maze - this could be as simple or elaborate as your child wants